development

noun

de·​vel·​op·​ment di-ˈve-ləp-mənt 

dē-

1

: the act, process, or result of developing

the development of new ideas

an interesting development in the case

2

: the state of being developed

a project in development

3

: a tract of land that has been made available or usable : a developed tract of land

especially : one with houses built on it

Synonyms of development

• evolution
• progress
• expansion
• progression
• growth

Examples of development in a Sentence

Good nutrition is important for proper muscle development.

The company offers many opportunities for professional development.

The software is still in the early stages of development.

I try to keep up with the latest developments in computer technology.

Have there been any new developments in the case?

Recent Examples on the Web

The development comes after Foulkes placed a close second behind McKee in a five-way primary in 2022. — Emily Hallas, The Washington Examiner, 10 Sep. 2026

The changes are part of a broader effort by local agencies to keep pace with growth north of Eagle and improve emergency response in an area where suburban development increasingly meets the Foothills, Lewis said. — Noah Daly, Idaho Statesman, 9 Sep. 2026

For the Gennai Pen SL01, TACTICALGEEK handled product development, engineering, manufacturing, and quality control, transforming Nakayama’s design vision into a production-ready mechanical writing instrument. — New Atlas, 9 Sep. 2026

Those deals include research, development, qualification work and production contracts. — Aamir Khollam, Interesting Engineering, 9 Sep. 2026

Word History

Etymology

see develop

First Known Use

1724, in the meaning defined at sense 1

Phrases Containing development

• housing development
• hyper-development
• in development
• pre-development
• research and development
• ribbon development
• self-development
• sub-development

Rhymes for development

• envelopment
• redevelopment
• underdevelopment

Kids Definition

development

noun

de·​vel·​op·​ment di-ˈvel-əp-mənt 

1

: the act, process, or result of developing

2

: the state of being developed

3

: a developed piece of land

especially : one that has houses built on it

Medical Definition

development

noun

de·​vel·​op·​ment di-ˈvel-əp-mənt 

1

: the action or process of developing: as

a

: the process of growth and differentiation by which the potentialities of a zygote, spore, or embryo are realized

b

: the gradual advance through evolutionary stages : evolution

2

: the state of being developed

the great muscular development of weight lifters

developmental

-ˌvel-əp-ˈment-ᵊl 

adjective

developmentally

-ē 

adverb